... 3.adjustable angle 4.optional molds DZK-500/2SL Vacuum Shaping MachineThe vacuum packaged goods could prevent oxidation, mold, insects, ... shelf life. Working process:DZK-500/2SL Vacuum Shaping Machine double chamber vacuum packaging machine, simply close the vacuum chamber,set vacuum, ... to 90 degrees . Scope: This two-chamber vacuum packaging machine is suitable for rice, yeast and other brick-shaped ...